Hey guys,its been awhile since I been on ,anyway,I got to take the L to local 1/8 track and get in 5-6 runs. First my mods,then the aproximate et/mph and 60'

1999' SVT Lightning
136k odo

MODS:
K&N filter,open element
C&L MAF (its aluminum,not sure on size)
4lbs lower pulley
boost bypass w/ properly set actuator
stripped rotors and cleaned intercooler recently
PCV deleted last week with breathers (sealed all other lines/holes)
NGK TR6IX Iridium plugs
1 3/4" long tube headers,cerm. coated
no cats,no rear o2's
Bassani cat-back
built trans by me (LFP stage 1 rebuild kit) and FTVB w/ 4x4 pan,-06AN lines and a BIG B&M cooler. Its built perfect.
4:10 gears
Predator w/ some tune JLP did for me years back befor I had everything below the pulley + gear.
Old Goodyear F1's w/ about 38psi in em
fresh 5w-30 RoyalPurple and fresh coolant,distilled water w/ 2 bottles of water wetter in the intercooler res.

it was decent temp. wise for Pinellas area (mid 70's),but the humidy was high,close to 85%


TIMES:

First run I know I spun,ended up with a 2.3x 60' ,shifted into 2nd and rear got sideways so I pedled. Still ran like a 9.2 at 79mph,truck was warmed-up.

Ok 2nd run,I did a decent burn out,felt like it hooked ok (buddies said I spun some) got a 1.97 60', 2nd spun just a little @ the switch and I ran a 8.73 @ just a hair under 81mph.

The other four runs went just like the second,with the truck in the 8.7's and 1.9-2.0 60' @ just under 81mph.

I was messing with the Predator today and found my WOT spark adv. to be only @ 13*,I put that up to 16.

I also leaned it out in the MAF curve by 3%,and don't hear an signs of detonation @ WOT (street tuning) and the exhaust smells cleaner.

My question is,would I be better off with a canned Pred. tune and moding it or trying to figuer out this current baseline,witch I think might be close to stock.

 

whats your altitude?(where you live)
I did 8.6 (completely stock 02 L) at my local 1/8 track
and with a loose accessory belt.(it was the original one)
Also i think you might consider lowering your back tire pressure. Especially with old F1's.
I had brand new hankooks when i raced and lowered them to 25psi and ran with very little spin.
You have a lot of mods. (wish my truck had all that)
YOu should be running alot faster because i have a friend with an 00 L and a 4lbs pulley and he devowers ME!

 

I forgot it wasn't on my profile,I'm in west coast FL,like 8ft above sea level...

 

I'd call JLP or JDM and get a retune if you dont want to go for a dyno-tune. But I wouldn't mess with the tune myself. Just my .02

 

You think that that would get me at least into some low 8'snd still be o.k. on the street? Also how much are these mail tunes usually?

I called a local shop and they said $450 to dyno tune my truck,I said ******* THAT!